IM: 6.3.4: Converting Units (Lesson)

Last updated 9 months ago
7 questions
4.1: Number Talk: Fractions of a Number
1
Find the values mentally.
1/4 of 32 = _______
3/4 of 32 = _______
3/8 of 32 = _______
3/8 of 64 = _______
4.2: Road Trip
Elena and her mom are on a road trip outside the United States. Elena sees this road sign.

Elena’s mom is driving 75 miles per hour when she gets pulled over for speeding.


1

The police officer explains that 8 kilometers is approximately 5 miles.

a. How many kilometers are in 1 mile?
b. How many miles are in 1 kilometer?

1

If the speed limit is 80 kilometers per hour, and Elena’s mom was driving 75 miles per hour, was she speeding? By how much?

4.3: Veterinary Weights
A veterinarian uses weights in kilograms to figure out what dosages of medicines to prescribe for animals. For every 10 kilograms, there are 22 pounds.
1

Calculate each animal’s weight in kilograms. Explain or show your reasoning. If you get stuck, consider drawing a double number line or table.

a. Fido the Labrador weighs 88 pounds.
b. Spot the Beagle weighs 33 pounds.
c. Bella the Chihuahua weighs 5\frac{1}{2} pounds.

1

A certain medication says it can only be given to animals over 25 kilograms. How much is this in pounds?

4.4: Cooking with a Tablespoon
Diego is trying to follow a recipe, but he cannot find any measuring cups! He only has a tablespoon. In the cookbook, it says that 1 cup equals 16 tablespoons.
1

How could Diego use the tablespoon to measure out these ingredients?

  • 1/2 cup of almonds
  • 11/4 cup of oatmeal
  • 23/4 cup of flour

1

Diego also adds the following ingredients. How many cups of each did he use?

  • 28 tablespoons of sugar
  • 6 tablespoons of cocoa powder